this post was submitted on 23 Dec 2024
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Summary

France’s Flamanville 3 nuclear reactor, its most powerful at 1,600 MW, was connected to the grid on December 21 after 17 years of construction plagued by delays and budget overruns.

The European Pressurized Reactor (EPR), designed to boost nuclear energy post-Chernobyl, is 12 years behind schedule and cost €13.2 billion, quadruple initial estimates.

President Macron hailed the launch as a key step for low-carbon energy and energy security.

Nuclear power, which supplies 60% of France’s electricity, is central to Macron’s plan for a “nuclear renaissance.”

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[–] mosiacmango@lemm.ee 27 points 3 days ago* (last edited 3 days ago) (8 children)

You realize nuclear power plants have steady maintenance and replacements occurring at all times, right? That a machine being used in nuclear power doesn't make it immune from breaking down? That many of the machines involved have spinning and moving parts working in a high heat environment, whereas PV systems are largely static?

Replacement in a nuclear plant is happening way, way more often than on PV panels, where commodity panels are rated to provide near full power for 25-35 years, and then still provide over 80% power while they very slowly drop off. Solar is the only power source that will continue providing power without constant maintenance.

If "lack of replacement" is your main criteria, you dun fucked up backing nuclear. Solar fits that bill way, way better.

[–] TheBlackLounge@lemm.ee -3 points 3 days ago* (last edited 3 days ago) (7 children)

Of course a nuclear reactor needs maintenance and thus also produces infrastructure waste. A lot more than a solar cell. But it dwarfs when you divide by watt-hours. Solar cells produce dozens of times more waste per watt-hour, and stuff that's worse to handle too. Nuclear plants are mostly concrete and steel. Solar panels are glass and rare elements that we can't recycle properly yet.

Like, you didn't really think I was just comparing plants to cells did you? The point is, if the whole world goes solar, how many times over can we replace all of it?

[–] mosiacmango@lemm.ee 9 points 3 days ago* (last edited 3 days ago) (4 children)

Nuclear plants are mostly concrete and steel.

???

You realize the above is true for basically any building, right? That that's a crazy metric to judge any maintenance effort by? Total weight of the building and then everything in it?

Do datacenters not have replaceable parts because they are mainly concrete and steel? Sure, they may have 10,000 servers that all need to be fixed and replaced constantly but since a datacenter is mostly concrete and steel, it doesn't matter because it's not much by total mass of the datacenter? Same goes for airports, factories, on and on.

I guess if you plonk thousands of maintenance heavy devices into a large enough building then weigh the whole structure, the percentage of the structure that has to be serviced goes down, making overall (by weight) maintenance go down. Airplanes need to be fixed? They weigh basically nothing compared to airports, so "tada!" no they dont!

Skipping over your bizarre metric, solar cell recycling is hitting 95%. That is again, something that isn't relevant with modern panels for 30-50+ years, as they will still be producing 70-80% of their rated power at that time. That's easily enough power to just leave them in use.

[–] Resonosity@lemmy.dbzer0.com 3 points 2 days ago

Lol and the commenter above you is forgetting about the aluminum of the PV module's frame, as well as stainless steel used for the racking. Those things are super easy to recycle.

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